A field of nothing but boulders which resembles a giant's gravel driveway.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

The first declared National Monument in the United States.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Enormous lake at the bottom of a unique cave system.

Once the path of a railway tunnel, now home to thousands of glowing insects.

An unusual monument to a gentle giant who became a Kyrgyz hero.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

A medical facility that has been kept frozen in time.